HTTP status Code Simple summary

The first bit of the status code number indicates the response category, such as the following 5 types:

	Category	Reason Phrases
1XX	Informational (Informational status code)	The accepted request is being processed
2XX	Success (Success status code)	Request normal processing complete
3XX	Redirection (Redirected status code)	Additional action required to complete the request
4XX	Client error (Fault status code on the customer service side)	The server was unable to process the request (error on the customer service side)
5XX	Server error (incorrect status code)	Server Processing Request Error

200: The request sent from the customer service side is handled properly on the server side.

301: Permanent redirect, indicating that the requested resource has been assigned a new URI.

302: Temporary redirection.

400: There is a syntax error in the message that represents the request.

401: Indicates that the request sent requires HTTP authentication.

403: The access to the requested resource was rejected by the server.

404: The requested resource could not be found on the server side.

500: Indicates that the server side has an error executing the request (either an application bug or a server failure).

503: Indicates that the server is temporarily overloaded or is undergoing downtime maintenance and cannot process requests.

HTTP status Code Simple summary